Dr. Francis Chang, MD
- Hospital affiliations
- 1
- Industry payments
- $288
- Medical groups
- 2
- Insurance carriers
- 10
- State license
- 1
- Practice address
- 2425 Samaritan Drive, San Jose, CA 95124
- Practice phone
- Call (408) 559-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Francis Chang is an OB-GYN in San Jose, California
Dr. Chang practices at Good Samaritan Hospital in San Jose, California, part of HCA Healthcare.
Dr. Chang's NPI, 1215128087, was assigned on August 7, 2007. Dr. Chang graduated from David Geffen School of Medicine at UCLA in 2007. Dr. Chang holds California license A108404.
- NPI
- 1215128087NPI Registry (opens in a new tab)
- NPI enumeration date
- August 7, 2007
- NPI status
- Active
- Practice phone
- (408) 559-2011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Francis Chang practices at Good Samaritan Hospital in San Jose, California
Dr. Chang's primary practice is Good Samaritan Hospital, at 2425 Samaritan Drive, San Jose, CA 95124 in Santa Clara County. The practice phone is (408) 559-2011.
- Good Samaritan Hospital2425 Samaritan Drive, San Jose, CA 95124 · Santa Clara CountyPhone(408) 559-2011
Source: Dmand AI Affiliation Data
Dr. Francis Chang is affiliated with 1 site of care and 2 medical groups
Dr. Chang's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. The medical group on file is Obstetrix of California. Dmand AI also links Dr. Chang to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Francis Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Francis Chang is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Chang is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Chang is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Chang
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Francis Chang's patients have a median age of 34
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 34, with 100% women.
Dr. Chang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Francis Chang received $288 in industry payments from 2016 to 2022
CMS Open Payments shows 10 general payments to Dr. Chang from 5 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Shionogi Inc paid the most, $120.
General payments to Dr. Chang by program year, 2016 to 2022
Companies that paid Dr. Chang the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Francis Chang has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chang.
Awards and honors for Dr. Chang
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Francis Chang graduated from David Geffen School of Medicine at UCLA
Dr. Chang graduated from David Geffen School of Medicine at UCLA in 2007.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Francis Chang accepts plans from 10 insurance carriers
Dr. Chang is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- +2 more carriersWith a free account
Plan types Dr. Chang accepts, by number of carriers
- Medicare8
- PPO7
- POS5
- HMO4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Francis Chang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Francis Chang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Francis Chang's NPI number?
Dr. Francis Chang's NPI number is 1215128087. It was assigned on August 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Francis Chang?
Dr. Francis Chang is an OB-GYN in San Jose, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Francis Chang practice?
Dr. Chang practices at 2425 Samaritan Drive, San Jose, CA 95124. Dr. Chang's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. Dmand AI also links Dr. Chang to 1 medical group.
What is Dr. Francis Chang's office phone number?
The practice phone on file for Dr. Chang is (408) 559-2011.
What is Dr. Francis Chang's medical license number?
Dr. Chang holds California license A108404.
Which hospitals is Dr. Francis Chang affiliated with?
Dr. Chang practices at Good Samaritan Hospital in San Jose, California.
What medical group is Dr. Francis Chang part of?
Dr. Chang is linked to Obstetrix of California. Dmand AI links Dr. Chang to 1 more medical group.
Is Dr. Francis Chang board certified?
Yes. Dr. Chang is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. Francis Chang go to medical school?
Dr. Chang graduated from David Geffen School of Medicine at UCLA in 2007.
Has Dr. Francis Chang received payments from drug or device companies?
CMS Open Payments shows $288 in general payments to Dr. Chang from 5 companies from 2016 to 2022. The largest total came from Shionogi Inc.
How long has Dr. Francis Chang been practicing?
Dr. Chang graduated from medical school in 2007, 19 years ago.
What insurance does Dr. Francis Chang accept?
Dr. Chang is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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